Why Horsepower Is A Dumb Unit

What is horsepower? What's the difference between HP, PS, and CV?

12w ago
23.9K

Horsepower is a unit of power created by James Watt in the 1700's. Who knew all these years later we'd still be using a unit he developed to compare steam engines to horsepower. We'll go through Watt's back of the napkin math, discuss in simple terms what horsepower means, and look at metric horsepower as well: PS, CV, and the many other abbreviations. Whether metric or imperial, horsepower as a unit makes no sense at all. We'll wrap up the video learning what unit we should actually be using.

Join In

Comments (14)

  • Killer wasps are a better unit of measurement

      2 months ago
  • I read one of the old-time V8 Touring Cars engine builders say, "Horsepower sells engines, torque wins races."

      2 months ago
  • 3

      2 months ago
  • The only reason I prefer horsepower is because it sounds cool.

    1 hp (imperial hp) = 736 watt

    1 ps (metric hp) = 750 watt

      2 months ago
  • I don't know about that, it's actually a pretty precise method of measuring the output of an engine.

      2 months ago
14